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Finding the Fourth Proportional to 404,624.25, 606,965.54 and 155,306.25

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Solution

The fourth proportional to 404,624.25, 606,965.54 and 155,306.25 is: 232,970.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,624.25 : 606,965.54 = 155,306.25 : x
  2. Step 2: Convert to fraction form
    404,624.25/606,965.54 = 155,306.25/x
  3. Step 3: Cross multiply
    404,624.25x = 606,965.54 × 155,306.25
  4. Step 4: Simplify right side
    404,624.25x = 94,265,541,120.09
  5. Step 5: Solve for x
    x = 94,265,541,120.09/404,624.25
  6. Step 6: Final answer
    x = 232,970.57

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.